Oliver Rolf Kahn is a German football executive and former professional player who played as a goalkeeper. He started his career in the Karlsruher SC Junior team in 1975. Twelve years later, in 1987, Kahn made his debut match in the professional squad. In 1994, he was transferred to Bayern Munich for the fee of DM 4.6 million, where he played until the end of his career in 2008. His commanding presence in goal and aggressive style earned him nicknames such as Der Titan from the press and Vul-kahn ("volcano") from fans.